What date is entered if the date of birth is unknown?

What date is entered if the date of birth is unknown?

• A. 11/11/1911
• B. 01/01/1900
• C. 12/31/1999
• D. 00/00/0000

Answer: (A)

When the date of birth is unknown, use a placeholder date that is clearly not a real DOB. In this testing context, 11/11/1911 is used as that placeholder. It’s old enough to be implausible for someone current, so it won’t be mistaken for the actual birth date, and it keeps the date field valid for the system to process and store. Other dates either look like plausible real birth dates or are invalid formats, which can cause confusion or errors in recordkeeping. So 11/11/1911 is the appropriate default for an unknown date of birth.

When the date of birth is unknown, use a placeholder date that is clearly not a real DOB. In this testing context, 11/11/1911 is used as that placeholder. It’s old enough to be implausible for someone current, so it won’t be mistaken for the actual birth date, and it keeps the date field valid for the system to process and store. Other dates either look like plausible real birth dates or are invalid formats, which can cause confusion or errors in recordkeeping. So 11/11/1911 is the appropriate default for an unknown date of birth.